I''ve been fly sparging for a couple of years and want to try batch sparging. My grain bill is as follows: 7lbs 2 row, 2lbs Wheat malt, .75lbs Munich malt, .25 lbs Crystal 10. To batch sparge I was going to add an extrra 1/2 lb 2row. Mash with 15 qts water at 152F, drain into boiler, add 19 qts...